Alert archive / Minnesota / Tornado Warnings in 2020
Tornado Warning 11, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 11, 2020, 3:10 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 20 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 11, 2020, 3:10 PM CDT (20:10 UTC)
- Expired
- Jul 11, 2020, 3:30 PM CDT
- In force
- 20 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Blue Earth County, MN, Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 20:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 3:13 PM CDT | TSTM WND DMG | 4 E Judson, MN | DAMAGE TO A ROOF NEAR THE NORTH LINKS GOLF COURSE ON LINDSAY DR. |
| Jul 11, 3:15 PM CDT | TSTM WND DMG | Judson, MN | TREE DOWN ON JUDSON BOTTOM ROAD. REPORTED VIA TWITTER. PHOTO INCLUDED. TIME ESTIMATED. |
| Jul 11, 3:22 PM CDT | TSTM WND DMG | 3 Wnw North Mankato, MN | TREES DOWN AND CORN FLATTENED ON CO RD 6 JUST SOUTH OF HWY 14. PHOTOS OF DAMAGE SHARED VIA FACEBOOK. |
| Jul 11, 3:25 PM CDT | TSTM WND DMG | Mankato, MN | SEVERAL TREE BRANCHES DOWN. TIME ESTIMATED. REPORTED VIA TWITTER. PHOTOS INCLUDED. |
| Jul 11, 3:30 PM CDT | TSTM WND DMG | Eagle Lake, MN | LARGE TREES SNAPPED. TIME ESTIMATED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 11, 1:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.2 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 52 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 1331 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
060
WFUS53 KMPX 112010
TORMPX
MNC013-103-112030-
/O.NEW.KMPX.TO.W.0011.200711T2010Z-200711T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
310 PM CDT Sat Jul 11 2020
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Northeastern Blue Earth County in south central Minnesota...
Southeastern Nicollet County in south central Minnesota...
* Until 330 PM CDT.
* At 310 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Nicollet, or near Mankato, moving southeast at 45
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
North Mankato around 315 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Skyline and Judson.
This includes the following highways...
U.S. Highway 14 between mile markers 122 and 137.
U.S. Highway 169 between mile markers 48 and 57.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4420 9422 4425 9417 4419 9386 4406 9398
TIME...MOT...LOC 2010Z 295DEG 38KT 4419 9412
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CTG2 follow-up statements
877
WWUS53 KMPX 112022
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
322 PM CDT Sat Jul 11 2020
MNC103-112031-
/O.CAN.KMPX.TO.W.0011.000000T0000Z-200711T2030Z/
Nicollet MN-
322 PM CDT Sat Jul 11 2020
...THE TORNADO WARNING FOR SOUTHEASTERN NICOLLET COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Minnesota.
LAT...LON 4414 9412 4422 9400 4419 9386 4406 9398
TIME...MOT...LOC 2021Z 295DEG 38KT 4414 9396
$$
MNC013-112030-
/O.CON.KMPX.TO.W.0011.000000T0000Z-200711T2030Z/
Blue Earth MN-
322 PM CDT Sat Jul 11 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
NORTHEASTERN BLUE EARTH COUNTY...
At 321 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Mankato, moving southeast at 45 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Blue Earth County, including the following locations...
Skyline.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4414 9412 4422 9400 4419 9386 4406 9398
TIME...MOT...LOC 2021Z 295DEG 38KT 4414 9396
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
CTG511
WWUS53 KMPX 112027
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
327 PM CDT Sat Jul 11 2020
MNC013-112037-
/O.EXP.KMPX.TO.W.0011.000000T0000Z-200711T2030Z/
Blue Earth MN-
327 PM CDT Sat Jul 11 2020
...THE TORNADO WARNING FOR NORTHEASTERN BLUE EARTH COUNTY WILL EXPIRE
AT 330 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds are still possible with
this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Minnesota.
LAT...LON 4414 9412 4422 9400 4419 9386 4406 9398
TIME...MOT...LOC 2027Z 295DEG 38KT 4412 9389
$$
CTGThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:32 AM CDT | Severe Thunderstorm Warning | MPX | Steele | 28 min |
| Jul 11, 10:43 AM CDT | Special Weather Statement | MPX | Douglas, Pope, Stevens | 47 min |
| Jul 11, 11:17 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 43 min |
| Jul 11, 11:34 AM CDT | Special Weather Statement | MPX | Todd | 56 min |
| Jul 11, 12:00 PM CDT | Special Weather Statement | MPX | Kandiyohi | 45 min |
| Jul 11, 12:32 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Renville | 58 min |
| Jul 11, 12:39 PM CDT | Special Weather Statement | MPX | Meeker | 51 min |
| Jul 11, 12:57 PM CDT | Special Weather Statement | MPX | Todd | 33 min |
| Jul 11, 1:05 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Renville, Sibley | 55 min |
| Jul 11, 1:20 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Redwood, Renville, Yellow Medicine | 40 min |
| Jul 11, 1:28 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 47 min |
| Jul 11, 1:48 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 57 min |
| Jul 11, 2:01 PM CDT | Special Weather Statement | MPX | Pope | 44 min |
| Jul 11, 2:15 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 45 min |
| Jul 11, 2:20 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 40 min |
| Jul 11, 2:23 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 52 min |
| Jul 11, 2:42 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet | 33 min |
| Jul 11, 2:57 PM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 48 min |
| Jul 11, 3:03 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Le Sueur, Nicollet | 42 min |
| Jul 11, 3:26 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 49 min |
| Jul 11, 3:32 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Freeborn, Steele, Waseca | 43 min |
| Jul 11, 4:05 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 55 min |
| Jul 11, 4:17 PM CDT | Special Weather Statement | MPX | Faribault | 58 min |
| Jul 11, 4:35 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 25 min |
| Jul 11, 6:16 PM CDT | Special Weather Statement | MPX | Hennepin | 59 min |
Nearby
Tornado Warnings in Minnesota, 2020Every tornado warning in 2020Tornadoes in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.